Bug 1838806 (CVE-2020-8432) - CVE-2020-8432 uboot-tools: double free in do_rename_gpt_parts function in cmd/gpt.c
Summary: CVE-2020-8432 uboot-tools: double free in do_rename_gpt_parts function in cmd...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-8432
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1838807 1838808
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-05-21 20:23 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-05-22 12:09 UTC (History)
5 users (show)

Fixed In Version:
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Environment:
Last Closed: 2020-05-21 21:15:22 UTC


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Description Guilherme de Almeida Suckevicz 2020-05-21 20:23:06 UTC
In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function. Double freeing may result in a write-what-where condition, allowing an attacker to execute arbitrary code. NOTE: this vulnerablity was introduced when attempting to fix a memory leak identified by static analysis.

References:
https://www.mail-archive.com/u-boot@lists.denx.de/msg354060.html
https://www.mail-archive.com/u-boot@lists.denx.de/msg354114.html

Comment 1 Guilherme de Almeida Suckevicz 2020-05-21 20:23:27 UTC
Created uboot-tools tracking bugs for this issue:

Affects: epel-6 [bug 1838808]
Affects: fedora-all [bug 1838807]

Comment 2 Product Security DevOps Team 2020-05-21 21:15:22 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.


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